Configure IPv6 tunnel on Ubuntu

Step 2: Get free freenet6 tunnel from here (gogo6 account required from step 1). You will receive a username and password in your email box from this step. These will be your tunnel username and password. These will be used in step 4.

After saving settings and resetting network, Connection Information will show this.

+ Point: With this setup you can make free calls to USA and Canada. Check out Google Voice in your Gmail.

Now Google my ip to get to now your IPv6 or Test IPv6. The tunnel will break if the network connection is reset. Gogoc tunnel will reconnect if not then restart it manually. If you want to force IPv6 over IPv4 than visit this blog article.